diff --git a/build/tools/appveyor.bat b/build/tools/appveyor.bat
index 2f81bd1be1..4d66deebe6 100644
--- a/build/tools/appveyor.bat
+++ b/build/tools/appveyor.bat
@@ -36,7 +36,7 @@ bash -lc "CXXFLAGS=-Wno-deprecated-declarations ./configure --disable-optimise &
 goto :eof
 
 :cygwin
-C:\cygwin\setup-x86.exe -qnNdO -R C:/cygwin -s http://cygwin.mirror.constant.com -l C:/cygwin/var/cache/setup -P libjpeg-devel -P libpng-devel -P libtiff-devel -P libexpat-devel
+C:\cygwin\setup-x86.exe -qgnNdO -R C:/cygwin -s http://cygwin.mirror.constant.com -l C:/cygwin/var/cache/setup -P libjpeg-devel -P libpng-devel -P libtiff-devel -P libexpat-devel
 path c:\cygwin\bin;%path%
 set CHERE_INVOKING=yes
 :: Workaround for "configure: Bad file descriptor"